1. Lesson 7.7 Transforming Formulas

2. Formula information
a formula shows the relationship between two or more quantities
You can transform a formula to represent one quantity in terms of another

3. Solve for the variable indicated in red.

4. Some formulas require more steps.

5. Problem Solving
Solve the batting average formula,for h. Find the number of hits h a batter needs in 40 times at bat n to have an average of

6. Your turn #1
Solve the circumference formula for r.

7. Your turn #2
Solve the perimeter formula for w.

8. Your turn #3
You plan a 600-mile trip to New York City. You estimate your trip will take about 10 hours. To estimate your average speed, solve the distance formula d = rt for r.
Then substitute to find the average speed.

9. Your turn #4
The high temperature one day in San Diego was 32°C. Solve for F. Then substitute to find the temperature in degrees Fahrenheit.

10. Tonight’s Assignment
EM 7.7 Show work!!